diff --git a/src/main/java/me/bearns/fias/config/ApplicationConfig.java b/src/main/java/me/bearns/fias/config/ApplicationConfig.java
index 93bc9ad..927196d 100644
--- a/src/main/java/me/bearns/fias/config/ApplicationConfig.java
+++ b/src/main/java/me/bearns/fias/config/ApplicationConfig.java
@@ -20,7 +20,7 @@ import javax.sql.DataSource;
 @Configuration
 @EnableJpaRepositories("me.bearns.fias.repository")
 @EnableTransactionManagement
-@PropertySource(value = "application.properties", ignoreResourceNotFound = true)
+//@PropertySource(value = "application-{profile}.properties", ignoreResourceNotFound = true)
 class ApplicationConfig {
 
     @Autowired
diff --git a/src/main/java/me/bearns/fias/service/DownloaderImpl.java b/src/main/java/me/bearns/fias/service/DownloaderImpl.java
index 3225d08..7f85ca4 100644
--- a/src/main/java/me/bearns/fias/service/DownloaderImpl.java
+++ b/src/main/java/me/bearns/fias/service/DownloaderImpl.java
@@ -35,7 +35,6 @@ public class DownloaderImpl implements Downloader {
         if(feature != start) return feature;
 
         pool.submit(() -> {
-            //todo
 
             final URL conn;
             final Path path;
diff --git a/src/main/resources/application-default.properties b/src/main/resources/application-default.properties
new file mode 100644
index 0000000..4bb7c1c
--- /dev/null
+++ b/src/main/resources/application-default.properties
@@ -0,0 +1,5 @@
+spring.datasource.url=jdbc:postgresql://127.0.0.1:5432/databasename
+spring.datasource.driverClassName=org.postgresql.Driver
+spring.datasource.username=sa
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application-test.properties
similarity index 73%
rename from src/main/resources/application.properties
rename to src/main/resources/application-test.properties
index 1a2655d..85e3d5c 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application-test.properties
@@ -2,4 +2,4 @@ spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.username=sa
 spring.datasource.password=password
-spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
\ No newline at end of file
diff --git a/src/test/java/me/bearns/fias/TransactionsTest.java b/src/test/java/me/bearns/fias/TransactionsTest.java
index c1b4b4f..d93b8fd 100644
--- a/src/test/java/me/bearns/fias/TransactionsTest.java
+++ b/src/test/java/me/bearns/fias/TransactionsTest.java
@@ -1,5 +1,6 @@
 package me.bearns.fias;
 
+import lombok.extern.slf4j.Slf4j;
 import me.bearns.fias.domain.FiasVersion;
 import me.bearns.fias.exceptions.UnmarshallingException;
 import me.bearns.fias.helper.TransactionalSaveHelper;
@@ -11,6 +12,7 @@ import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.context.annotation.Import;
+import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -19,6 +21,8 @@ import java.util.List;
 import static me.bearns.fias.helper.TransactionalSaveHelper.FIRST;
 import static me.bearns.fias.helper.TransactionalSaveHelper.NEXT;
 
+@Slf4j
+@ActiveProfiles("test")
 @RunWith(SpringRunner.class)
 @SpringBootTest
 @Import(TransactionalSaveHelper.class)
@@ -32,12 +36,14 @@ public class TransactionsTest {
 
     @Before
     public void before(){
+        log.info("Configure test components");
         helper.setRepository(repository);
     }
 
     @Test
     public void transactionTest(){
 
+        log.info("Run transaction test");
         helper.addFirst();
 
         try {
@@ -45,22 +51,26 @@ public class TransactionsTest {
             assert false;
         } catch (Exception e) {
             //just as plained
+            log.info("Caught exception, continue");
             assert true;
         }
 
         final List<FiasVersion> versions = repository.findAll();
 
-        versions.stream().map(FiasVersion::getVersionId).forEach(System.out::println);
+        versions.stream().map(FiasVersion::toString).forEach(log::info);
 
         assert versions.stream().mapToLong(FiasVersion::getVersionId).anyMatch(v -> FIRST == v);
+        log.info("find {}", FIRST);
 
         assert versions.stream().mapToLong(FiasVersion::getVersionId).noneMatch(v -> NEXT == v);
+        log.info("not find {}", NEXT);
 
     }
 
     @After
     public void clear(){
         repository.deleteAll();
+        log.info("Clear FiasVersion repo");
     }
 
 
diff --git a/src/test/java/me/bearns/fias/VersionRepositoryTests.java b/src/test/java/me/bearns/fias/VersionRepositoryTests.java
index dd99ca8..5485e71 100644
--- a/src/test/java/me/bearns/fias/VersionRepositoryTests.java
+++ b/src/test/java/me/bearns/fias/VersionRepositoryTests.java
@@ -26,7 +26,9 @@ import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
 import org.springframework.boot.test.autoconfigure.orm.jpa.TestEntityManager;
+import org.springframework.test.context.ActiveProfiles;
 
+@ActiveProfiles("test")
 @DataJpaTest
 public class VersionRepositoryTests {
 	@Autowired
diff --git a/src/test/java/me/bearns/fias/helper/TransactionalSaveHelper.java b/src/test/java/me/bearns/fias/helper/TransactionalSaveHelper.java
index 808f959..2da559d 100644
--- a/src/test/java/me/bearns/fias/helper/TransactionalSaveHelper.java
+++ b/src/test/java/me/bearns/fias/helper/TransactionalSaveHelper.java
@@ -1,5 +1,6 @@
 package me.bearns.fias.helper;
 
+import lombok.extern.slf4j.Slf4j;
 import me.bearns.fias.domain.FiasVersion;
 import me.bearns.fias.exceptions.CommonException;
 import me.bearns.fias.exceptions.UnmarshallingException;
@@ -7,6 +8,7 @@ import me.bearns.fias.repository.FiasVersionRepository;
 import org.springframework.boot.test.context.TestComponent;
 import org.springframework.transaction.annotation.Transactional;
 
+@Slf4j
 @TestComponent
 public class TransactionalSaveHelper {
 
@@ -22,12 +24,12 @@ public class TransactionalSaveHelper {
     @Transactional(rollbackFor = Exception.class)
     public void addNext() throws CommonException {
         final FiasVersion nextVersion = new FiasVersion(NEXT, null, null, null);
-        repository.save(nextVersion);
+        log.info("Saved {}",repository.save(nextVersion));
         throw new UnmarshallingException("test");
     }
 
     public void addFirst() {
         final FiasVersion version = new FiasVersion(FIRST, null, null, null);
-        repository.save(version);
+        log.info("Saved {}", repository.save(version));
     }
 }